Nissan Xterra. Manual - part 8

AV-24

< WIRING DIAGRAM >

[BASE AUDIO]

BASE AUDIO SYSTEM

ABNIA5730GB

AV

DIAGNOSIS AND REPAIR WORKFLOW

AV-25

< BASIC INSPECTION >

[BASE AUDIO]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000010247106

OVERALL SEQUENCE

DETAILED FLOW

1.

GET INFORMATION FOR SYMPTOM

Get detailed information from the customer about the symptom (the condition and the environment when the

incident/malfunction occurred).

>> GO TO 2

2.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition

when the symptom is detected.

>> GO TO 3

3.

DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the system.

ALNIA0182GB

AV-26

< BASIC INSPECTION >

[BASE AUDIO]

DIAGNOSIS AND REPAIR WORKFLOW

Is malfunctioning part detected?

YES

>> GO TO 4

NO

>> GO TO 2

4.

REPAIR OR REPLACE THE MALFUNCTIONING PART

1. Repair or replace the malfunctioning part.

2. Reconnect parts or connectors disconnected during Diagnostic Procedure.

>> GO TO 5

5.

FINAL CHECK

Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Has the symptom been repaired?

YES

>> Inspection End.

NO

>> GO TO 2

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-27

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

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DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure

INFOID:0000000010247111

Regarding Wiring Diagram information, refer to 

AV-14, "Wiring Diagram"

.

1.

CHECK FUSE

Check that the following fuses are not blown.

Are the fuses blown?

YES

>> Replace the blown fuse after repairing the affected circuit.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect audio unit connector M43.

3. Check voltage between audio unit connector M43 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

3.

CHECK GROUND CIRCUIT

Check continuity between audio unit connectors M43, M52 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

BLUETOOTH® CONTROL UNIT
BLUETOOTH® CONTROL UNIT : Diagnosis Procedure

INFOID:0000000010247112

Regarding Wiring Diagram information, refer to 

AV-14, "Wiring Diagram"

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Terminal No.

Signal name

Fuse No.

7

ACC power supply

4 (10A)

19

Battery power supply

29 (20A)

Audio unit

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M43

7

—

Ignition switch: ON

Battery voltage

19

Ignition switch: OFF

Audio unit

Ground

Continuity

Connector

Terminal

M43

20

—

Yes

M52

25

28